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Related Party Transactions (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Oct. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2024
Mar. 31, 2023
Sep. 30, 2023
Related Party Transaction [Line Items]            
Accounts payable   $ 5,632,000   $ 5,632,000   $ 6,111,000
Nottingham Creations and Sherwood Forest Creations LLC            
Related Party Transaction [Line Items]            
Related party transaction, amounts of transaction   202,700 $ 188,285 344,798 $ 188,285  
TW Mechanical LLC            
Related Party Transaction [Line Items]            
Related party transaction, amounts of transaction   228 379 3,160 379  
Related Party | Ed Anakar and Nourdean Anakar            
Related Party Transaction [Line Items]            
Proceeds from related party debt $ 500,000          
Related Party | Allen Chhay and Bradley Chhay            
Related Party Transaction [Line Items]            
Proceeds from related party debt $ 150,000          
Related Party | Nottingham Creations and Sherwood Forest Creations LLC            
Related Party Transaction [Line Items]            
Accounts payable   84,163   84,163   10,700
Related Party | TW Mechanical LLC            
Related Party Transaction [Line Items]            
Accounts payable   $ 0   $ 0   0
Related party, ownership percentage   50.00%   50.00%    
Related Party | TW Mechanical LLC | Third-Party General Contractor            
Related Party Transaction [Line Items]            
Related party transaction, amounts of transaction   $ 0 $ 18,000 $ 0 $ 64,000  
Commercial Bank Indebtedness            
Related Party Transaction [Line Items]            
Long-term debt   $ 117,600,000   $ 117,600,000   $ 119,200,000